JP2023146615A - Method for controlling display system, method for connecting information processing apparatus, and program - Google Patents

Abstract

To provide a method for controlling a display system that improves convenience for a user by achieving simple connection to a projector and connection with maintained security.SOLUTION: Provided is a method for controlling a display system 1 comprising a plurality of projectors 100 and an information processing apparatus 200, and the information processing apparatus 200 executes: when a first connection mode is set, detecting a projector 100 that receives a connection request by a setting IP address 263 set in advance; requesting wireless connection from the projector 100 having the setting IP address 263; when a second connection mode is set, detecting a projector 100 connected with a wireless network 10; receiving input of an IP address of the projector 100 connected with the wireless network 10; and requesting wireless connection from the projector 100 having the IP address the input of which has been received.SELECTED DRAWING: Figure 3

Description

The present invention relates to a display system control method, an information processing device connection method, and a program.

Conventionally, one method for connecting to a display device is to connect to a network to which the display device is connected to perform data communication with the display device.
For example, Patent Document 1 discloses a user interface system for a projection device that identifies the status of projectors on a network, enables selection of at least one projector based on the identified status, and transmits data to the selected projector. Disclose.

Special Publication No. 2007-516506

However, the projector described in Patent Document 1 can be easily connected because the projector can be used with any device connected to the same network as the projector, but there is a concern that security may deteriorate. .

The present disclosure is a display system control method, in which, when a first connection mode is set, an information processing device selects a first display device that receives a connection request at a preset address from among a plurality of display devices. transmitting a first connection request using the preset address to the first display device; and when a second connection mode is set, one of the plurality of display devices is connected to a network. detecting a connected display device; accepting input of an address in the network of a selected second display device among the display devices connected to the network; The present invention is a display system control method for transmitting a second connection request using an address.

The present disclosure provides a connection method for an information processing device, which includes, when a first connection mode is set, detecting a first display device that accepts a connection request at a preset address; Sending a first connection request using the preset address; and detecting a display device connected to a network from among the plurality of display devices when a second connection mode is set; Accepting input of an address in the network of a selected second display device among the display devices connected to the network, and transmitting a second connection request using the address in the network to the second display device. This is a method for connecting an information processing device to perform the following.

The present disclosure includes detecting a first display device that accepts a connection request at a preset address and connecting to the first display device when a first connection mode is set in a processor included in an information processing device. requesting, if a second connection mode is set, detecting a display device connected to a network; This is a program that accepts input of an address and requests connection to the second display device.

FIG. 1 is a diagram showing the system configuration of a display system. FIG. 2 is a block diagram showing the configuration of a projector. FIG. 1 is a block diagram showing the configuration of an information processing device. The figure which shows an example of an application screen. The figure which shows an example of an application screen. The figure which shows an example of an application screen. The figure which shows an example of an application screen. The figure which shows an example of an application screen. 5 is a flowchart showing the operation of the information processing device. 5 is a flowchart showing the operation of the information processing device. Flowchart showing the operation of the projector.

Embodiments of the present invention will be described below with reference to the accompanying drawings.

1. Description of System Configuration of Display System FIG. 1 is a diagram showing the system configuration of a display system 1. As shown in FIG.
The display system 1 includes a plurality of projectors 100 and an information processing device 200. Although one information processing device 200 is shown in FIG. 1, the number of information processing devices 200 included in the display system 1 is arbitrary. Although FIG. 1 shows four projectors 100A, 100B, 100C, and 100D, the number of projectors 100 is arbitrary. Hereinafter, when projectors 100A, 100B, 100C, and 100D are collectively referred to as projector 100. The projector 100 corresponds to a display device.

The information processing device 200 is a device that supplies the projector 100 with image data that is the source of the image that the projector 100 projects. For example, a smartphone, a tablet computer, a notebook computer, or a desktop computer is used as the information processing device 200.
The projector 100 generates image light corresponding to image data supplied from the information processing device 200, and displays the generated image light on a projection surface (not shown).

The projector 100 and the information processing device 200 can be connected to a wireless network 10 constructed by a wireless router 300 having an access point function. The wireless router 300 relays data transmission and reception between devices connected to the wireless network 10.
The wireless router 300 also connects to a global network such as the Internet, and relays data transmission and reception between devices connected to the global network and devices connected to the wireless network 10. The wireless network 10 corresponds to a network.

2. Configuration of Projector FIG. 2 is a block diagram showing the configuration of the projector 100.
Next, the configuration of the projector 100 will be explained. Since the projectors 100A, 100B, 100C, and 100D have substantially the same configuration, they will be described here as the configuration of the projector 100. Further, when it is necessary to distinguish the functional units provided in the projectors 100A, 100B, 100C, and 100D, they will be described using the symbols “A,” “B,” “C,” and “D.” For example, the first storage unit 160 of the projector 100A will be referred to as a first storage unit 160A, and the first storage unit 160 of the projector 100B will be referred to as a first storage unit 160B. Further, the first storage unit 160 of the projector 100C is referred to as a first storage unit 160C, and the first storage unit 160 of the projector 100D is referred to as a first storage unit 160D.

The projector 100 includes a remote control light receiving section 110, a first wireless interface 120, an image processing section 130, a frame memory 135, an image projection section 140, and a first control section 150. Hereinafter, the interface will be abbreviated as I/F.

The remote control light receiving section 110 receives an infrared signal transmitted from the remote control 5, and outputs an operation signal corresponding to the operation content indicated by the received infrared signal to the first control section 150.

The first wireless I/F 120 includes a network card 125 and performs wireless communication using a wireless LAN (Local Area Network). The first wireless I/F 120 of this embodiment performs wireless communication using Wi-Fi. Wi-Fi is a registered trademark.

A frame memory 135 is connected to the image processing section 130. The image processing unit 130 develops image data input from the first control unit 150 and the first wireless I/F 120 into the frame memory 135. The frame memory 135 is configured by, for example, SDRAM (Synchronous Dynamic Random Access Memory).

The image processing unit 130 performs image processing on the image data developed in the frame memory 135, such as resolution conversion processing or resizing processing, correction of distortion aberration, shape correction processing, digital zoom processing, and adjustment of image hue and brightness. I do. The image processing section 130 executes image processing specified by the first control section 150, and performs the processing using parameters input from the first control section 150 as necessary. Furthermore, it is of course possible for the image processing unit 130 to perform a combination of a plurality of image processes among the above. The image processing unit 130 reads the processed image data from the frame memory 135 and outputs the read image data to the light modulation device 143 of the image projection unit 140.

The image processing unit 130 and the frame memory 135 are configured by, for example, an integrated circuit. Integrated circuits include LSI (Large Scale Integrated Circuit), ASIC (Application Specific Integrated Circuit), PLD (Programmable Logic Device), and FPG. Includes A (Field-Programmable Gate Array), SoC (System-on-a-chip), etc. It will be done. Further, an analog circuit may be included as part of the integrated circuit configuration, or a configuration in which the first control unit 150 and the integrated circuit are combined may be used.

The image projection section 140 includes a light source 141, a light modulation device 143, and an optical unit 145.

The light source 141 includes a discharge type light source lamp such as an ultra-high pressure mercury lamp or a metal halide lamp, or a solid state light source such as a light emitting diode or a semiconductor laser. Light emitted from the light source 141 is incident on the light modulation device 143.

The light modulation device 143 includes a light modulation element that modulates the light emitted from the light source 141. The light modulation device 143 includes, as a light modulation element, a transmissive liquid crystal panel in which liquid crystal is sealed between a pair of transparent substrates, for example. A liquid crystal panel includes a panel area made up of a plurality of pixels arranged in a matrix. The light modulation device 143 applies a driving voltage corresponding to the input image data to each pixel in the panel area, and changes the light transmittance of each pixel to a transmittance corresponding to the image data. The light emitted from the light source 141 is modulated by passing through the liquid crystal panel, and image light corresponding to image data is generated.

The light modulation element included in the light modulation device 143 is not limited to a transmissive liquid crystal panel, and may be, for example, a reflective liquid crystal panel or a DMD (Digital Micromirror Device).

The optical unit 145 includes a projection lens (not shown) and the like, and enlarges and projects the image light modulated by the light modulation device 143 onto a projection surface (not shown). As a result, an image corresponding to the image light is displayed on the projection surface.

The first control unit 150 is a computer device including a first storage unit 160 and a first processor 170.

The first storage unit 160 includes a nonvolatile memory such as a ROM (Read Only Memory) and a volatile memory such as a RAM (Random Access Memory). The ROM stores a control program 161 that controls the operation of the projector 100, a setting IP (Internet Protocol) address 163, and various setting information. The set IP address 163 is the IP address of the local network set when the projector 100 is shipped from the factory, and is the IP address of the projector 100 used when the projector 100 operates as an access point. The set IP address 163 corresponds to a preset address. A setting IP address 163A stored in the first storage unit 160A of the projector 100A, a setting IP address 163B stored in the first storage unit 160B of the projector 100B, a setting IP address 163C stored in the first storage unit 160C of the projector 100C, and the projector 100B. The setting IP addresses 163D stored in the first storage unit 160D of the first storage unit 100D are all the same IP address. The value of the set IP address 163 can be changed by user operation. RAM is used for temporary storage of various data and the like.

The first processor 170 is an arithmetic processing device including a processor such as a CPU (Central Processing Unit) or an MPU (Micro-Processing Unit). The first processor 170 may be composed of a single processor or may be composed of a plurality of processors. Further, the first processor 170 may be configured by an SoC integrated with part or all of the first storage unit 160 and other circuits. Further, the first processor 170 may be configured by a combination of a CPU that executes a program and a DSP (Digital Signal Processor) that executes predetermined arithmetic processing. Furthermore, all of the functions of the first processor 170 may be implemented in hardware, or may be configured using a programmable device.

The projector 100 has a first communication mode and a second communication mode as communication modes. The first communication mode is a mode in which the set IP address 163 is set to the address of the network card 125, and the projector 100 operates as an access point. When operating in the first communication mode, the projector 100 receives a connection request to the set IP address 163 and performs data communication directly with the information processing device 200 that made the connection request, without going through the wireless router 300. When there is a connection request to the set IP address 163, the projector 100 in the first communication mode permits this connection request.

The second communication mode is a mode in which the projector 100 connects to the wireless network 10 constructed by the wireless router 300 and performs data communication with the information processing device 200 connected to the wireless network 10. The projector 100 sets the IP address set by the wireless router 300 as the address of the network card 125, and performs data communication with the information processing device 200 that has requested connection via the wireless router 300. When there is a connection request via the wireless network 10, the projector 100 in the second communication mode permits this connection request.

The first control unit 150 switches the communication mode of the projector 100 to the first communication mode or the second communication mode. The projector 100 normally communicates in the second communication mode, and changes the communication mode from the second communication mode to the first communication mode when receiving the change request.
For example, when the remote control light receiving unit 110 receives a preset password and a request to change to the first communication mode, the first control unit 150 changes the communication mode from the second communication mode to the first communication mode. Further, when receiving a communication mode change request from the information processing device 200, the first control unit 150 changes the communication mode from the second communication mode to the first communication mode.

3. Configuration of Information Processing Apparatus FIG. 3 is a block diagram showing the configuration of the information processing apparatus 200.
The configuration of the information processing device 200 will be described with reference to FIG. 3.
The information processing device 200 includes a second wireless interface 210, a touch panel 230, and a second control section 250.

The second wireless I/F 210 includes a network card 215 and performs wireless communication using a wireless LAN. The second wireless I/F 210 of this embodiment performs wireless communication using Wi-Fi.

The touch panel 230 includes a display panel 231 and a touch sensor 233, and receives touch operations from the user. As the display panel 231, for example, a liquid crystal panel or an organic EL (Electro Luminescence) panel is used. Touch sensor 233 detects a user's touch operation on display panel 231 . The touch sensor 233 outputs information indicating the position of the display panel 231 touched by the user to the second control unit 250.

The second control unit 250 is a computer device including a second storage unit 260 and a second processor 270.

The second storage unit 260 includes a nonvolatile memory such as a ROM, and a volatile memory such as a RAM. Further, the second storage unit 260 may be configured to include an auxiliary storage device such as a HDD (Hard Disk Drive) or an SSD (Solid State Drive).

The RAM is used as a calculation area for the second processor 270. The ROM stores control programs 261 such as an OS (Operating System) and application programs, a setting IP address 263, an SSID 265, a first password 267, a second password 269, various setting information, and the like. The application program is hereinafter referred to as an application.
The setting IP address 263 is the same address as the setting IP address 163 stored in the projector 100. The set IP address 263 corresponds to a preset address.
The SSID 265 and first password 267 are the SSID and password used when connecting the information processing device 200 to the wireless network 10 constructed by the wireless router 300. The SSID 265 and first password 267 are set by a user's operation.
The second password 269 is a password set by the system administrator, and is a password that is required to be input when changing the communication mode of the projector 100 from the second communication mode to the first communication mode.

The second processor 270 is an arithmetic processing device such as a CPU or MPU. The second processor 270 may be composed of a single processor or may be composed of a plurality of processors. Further, the second processor 270 may be configured by an SoC integrated with part or all of the second storage unit 260 and other circuits. Furthermore, the second processor 270 may be configured by a combination of a CPU that executes a program and a DSP that executes predetermined arithmetic processing. Furthermore, all of the functions of the second processor 270 may be implemented in hardware, or may be configured using a programmable device.

The second control unit 250 executes an application included in the control program 261 to connect the information processing device 200 to the projector 100. The information processing device 200 has a first connection mode and a second connection mode as connection modes for connecting to the projector 100.

The first connection mode is a mode in which the projector 100 that accepts connection requests is accessed using the IP address corresponding to the set IP address 263, and data communication is performed directly with the projector 100. Further, the connection request based on the set IP address 263 is referred to as a first connection request.

The second connection mode is a mode in which the information processing device 200 wirelessly connects to the wireless network 10 constructed by the wireless router 300 and performs data communication with the projector 100 connected to the wireless network 10. When connecting to the wireless network 10, the SSID 265 and first password 267 are used. The information processing device 200 sets the IP address set by the wireless router 300 as the address of the network card 215, and performs data communication with the projector 100 connected to the wireless network 10. The IP address set by the wireless router 300 corresponds to an address in a network. Further, a connection request based on the IP address set by the wireless router 300 is referred to as a second connection request.

When an application is selected by a touch operation on the touch panel 230, the second control unit 250 starts an operation according to the control of the selected application.
In the following description, it is assumed that projectors 100A and 100B operate in the first communication mode, and projectors 100C and 100D operate in the second communication mode. Projectors 100A and 100B correspond to first display devices, and projectors 100C and 100D correspond to second display devices.

When the connection mode is set to the first connection mode, the second control unit 250 accesses the projector 100 in the first communication mode and acquires the identification information of the projector 100. The projector 100 in the first communication mode is a projector 100 that accepts a connection request at an IP address corresponding to the set IP address 263. The identification information is, for example, the name of the projector 100 set by the user or the serial number of the projector 100.

FIG. 4 is a diagram showing an example of an application screen 500 displayed on the touch panel 230.
FIG. 4 is a diagram showing an example of the first application screen 501. The first application screen 501 is included in the application screen 500 and corresponds to the first screen.
The first application screen 501 displays a display field 503, a selection field 505, an OK button 507, and a return button 509.
The display field 503 displays identification information such as the name of the projector 100 and the serial number of the projector 100 acquired from the projector 100 in the first communication mode. Identification information of the projectors 100A and 100B operating in the first communication mode is displayed in the display field 503 shown in FIG. 4.
The selection column 505 is selected when selecting a projector 100 other than the projector 100 in the first communication mode.
The OK button 507 is a button that is pressed to confirm the received operation.
A return button 509 is a button for canceling the operation that was accepted immediately before.

FIG. 5 is a diagram showing an example of an application screen 500 displayed on the touch panel 230.
FIG. 5 is a diagram showing a confirmation screen 510 that is displayed when one of the projectors 100 whose identification information is displayed in the display field 503 is selected and the OK button 507 is pressed. A confirmation screen 510 is also included in the application screen 500.
When the projector 100A or 100B whose identification information is displayed in the display field 501 is selected by touch operation, the second control unit 250 transmits a connection request to the selected projector 100A or 100B, and sends a connection request to the selected projector 100A or 100B. Connect wirelessly to. Information processing device 200 is directly connected to projector 100A or 100B, which operates as an access point. A guide display 511 is displayed on the confirmation screen 510 to notify that the projector 100A or 100B has been connected. This guide display 511 includes identification information of the wirelessly connected projector 100A or 100B.

FIG. 6 is a diagram showing an example of the application screen 500.
FIG. 6 is a diagram showing an example of a second application screen 520 that is displayed when the selection field 505 displayed on the first application screen 501 in FIG. 4 is selected and the OK button 507 is pressed. The second application screen 520 is included in the application screen 500 and corresponds to the second screen.
When the selection field 505 is selected and the OK button 507 is pressed, the second control unit 250 connects the information processing device 200 to the wireless network 10 and acquires the identification information of the projector 100 connected to the wireless network 10. The identification information acquired here is also, for example, the name of the projector 100 set by the user or the serial number of the projector 100.

Next, the second control unit 250 causes the touch panel 230 to display a second application screen 520 including the acquired identification information.
A display field 521, an OK button 523, and a return button 525 are displayed on the second application screen 520.
The OK button 523 and the return button 525 have the same functions as the OK button 507 and the return button 509 displayed on the first application screen 501.
The display field 521 displays identification information of the projector 100 in the second communication mode, that is, the projector 100 connected to the wireless network 10.

FIG. 7 is a diagram showing an example of the application screen 500.
FIG. 7 is a diagram showing an example of a request screen 530 that requests input of a password.
When the projector 100C or 100D whose identification information is displayed in the display field 521 shown in FIG. 6 is selected by touch operation and the OK button 523 is pressed, the second control unit 250 displays the request screen 530 shown in FIG. to be displayed.
On the request screen 530, an input field 531, an OK button 533, and a return button 535 are displayed. The OK button 533 and the return button 535 have the same functions as the OK button 507 and the return button 509 displayed on the first application screen 501.

When a password is input into the input field 531 through a touch operation, the second control unit 250 determines whether or not the input password matches the second password 269 . If the input password does not match the second password 269, the second control unit 250 requests the password to be input again.

FIG. 8 is a diagram showing an example of the application screen 500.
FIG. 8 is a diagram showing the first application screen 501 displayed on the touch panel 230 when the password input on the request screen 530 shown in FIG. 7 matches the second password 269.
If the input password matches the second password 269, the second control unit 250 changes the communication mode from the second communication mode to the projector 100C or 100D selected on the second application screen 520 shown in FIG. Send a change request to change to the first communication mode.
When the second control unit 250 receives a change notification notifying that the communication mode has been changed from the second communication mode to the first communication mode from the projector 100C or 100D that has transmitted the change request, the second control unit 250 controls the first application shown in FIG. A screen 501 is displayed. This first application screen 501 displays identification information of the projector 100C or 100D that has received the change notification.

When the user selects the identification information of the projector 100C or 100D that has received the change notification and presses the OK button 507, the second control unit 250 transmits a connection request to the selected projector 100C or 100D. Thereby, the information processing device 200 and the projector 100C or 100D operating in the first communication mode are wirelessly connected.

Next, the operation when the connection mode of the information processing device 200 is set to the second connection mode will be described.
When the connection mode is set to the second connection mode, the second control unit 250 first connects to the wireless network 10 using the SSID 265 and the first password 267. The second control unit 250 acquires identification information of the projector 100 connected to the wireless network 10.

Upon acquiring the identification information of the projector 100 connected to the wireless network 10, the second control unit 250 displays a second application screen 520 shown in FIG. 6 on the touch panel 230.
When the projector 100C or 100D whose identification information is displayed in the display field 521 is selected by touch operation and the OK button 523 is pressed, the second control unit 250 displays an IP address input screen and inputs the IP address. request.
When the IP address is input, the second control unit 250 transmits a connection request to the selected projector 100 and establishes a wireless connection to the selected projector 100.

Note that the projector 100 may change the communication mode from the second communication mode to the first communication mode in the following cases.
For example, the projector 100 changes the communication mode from the second communication mode to the first communication mode only during a set time when a meeting or the like is scheduled. Setting a schedule for a conference or the like may be performed, for example, by operating the remote controller 5, or by transmitting a conference schedule generated by the information processing device 200 to the projector 100.
By temporarily changing the communication mode of the projector 100 from the second communication mode to the first communication mode only for a set time, it is possible to easily connect to the projector 100 and maintain security. Both can be achieved. Therefore, user convenience can be improved.

4. Operation of Information Processing Apparatus FIGS. 9 and 10 are flowcharts showing the operation of the information processing apparatus 200.
The operation of the information processing device 200 will be described with reference to the flowcharts shown in FIGS. 9 and 10.
When an application is selected by the user's touch operation, the second control unit 250 executes the selected application and starts an operation according to the control of the application (step S1).
First, the second control unit 250 determines whether a connection request to connect to the projector 100 has been received (step S2). If the second control unit 250 has not received the connection request (step S2/NO), it waits until the connection request is received.

When the second control unit 250 receives the connection request (step S2/YES), it determines whether the first connection mode is selected as the connection mode (step S3). The operation of the second control unit 250 when the second connection mode is selected as the connection mode will be described with reference to the flowchart shown in FIG.

When the first connection mode is selected, the second control unit 250 transmits an identification information acquisition request to the projector 100 at the IP address corresponding to the set IP address 263 (step S4). Next, the second control unit 250 determines whether the projector 100 has received identification information (step S5).

If the second control unit 250 has not received the identification information from the projector 100 (step S5/NO), the second control unit 250 displays an error display on the touch panel 230 (step S6), and returns to step S3.
Further, when the second control unit 250 receives the identification information from the projector 100 (step S5/YES), the second control unit 250 displays the first application screen 501 including the received identification information on the touch panel 230 (step S7).

Next, the second control unit 250 determines whether one of the projectors 100 whose identification information is displayed on the first application screen 501 has been selected (step S8). If the projector 100 displaying the identification information is selected (step S8/YES), the second control unit 250 transmits a connection request to the selected projector 100, and wirelessly connects to the selected projector 100 (step S9). ). The projector 100 selected in step S8 corresponds to the first display device.

Furthermore, when the projector 100 displaying the identification information is not selected (step S8/NO) and the selection field 505 for selecting a projector 100 other than the projector 100 in the first communication mode is selected, the second control unit 250 Connect to wireless network 10. The second control unit 250 connects to the wireless network 10 using the SSID 265 and the first password 267. The second control unit 250 operates in the second communication mode and acquires identification information of the projector 100 connected to the wireless network 10 (step S10).

Next, the second control unit 250 displays the second application screen 520 including the acquired identification information on the touch panel 230 (step S11). The second control unit 250 determines whether the projector 100 whose identification information is displayed on the second application screen 520 is selected (step S12).

If the projector 100 is not selected (step S12/NO), the second control unit 250 waits until the projector 100 is selected. When the projector 100 is selected (step S12/YES), the second control unit 250 displays the request screen 530 shown in FIG. 7 (step S13), and displays password input guidance. If the password is not input (step S14/NO), the second control unit 250 waits to start the process until the password is input. The projector 100 selected in step S12 corresponds to the third display device and the fourth display device.

When the password is input (step S14/YES), the second control unit 250 determines whether the input password matches the second password 269 and performs authentication (step S15). If the input password does not match the second password 269, the second control unit 250 determines that the authentication has failed (step S15/NO) and returns to step S13.

If the input password matches the second password 269 and the authentication is successful (step S15/YES), the second control unit 250 transmits a communication mode change request to the projector 100 selected in step S12 ( Step S16).

The second control unit 250 determines whether or not a change notification notifying that the communication mode has been changed to the first communication mode has been received from the projector 100 that sent the communication mode change request (step S17). If the second control unit 250 does not receive the change notification (step S17/NO), it displays an error message (step S18) and returns to step S7.

Further, upon receiving the change notification (step S17/YES), the second control unit 250 displays the first application screen 501 shown in FIG. 8. Identification information of the projector 100 that has received the change notification is displayed on the first application screen 501. Thereafter, when the projector 100 whose identification information is displayed on the first application screen 501 is selected (step S8/YES), the second control unit 250 transmits a connection request to the selected projector 100. Then, the second control unit 250 wirelessly connects to the selected projector 100 (step S9).

Further, if it is determined in step S3 that the mode is not the first connection mode (step S3/NO), the second control unit 250 connects to the wireless network 10 (step S19). The second control unit 250 connects to the wireless network 10 using the SSID 265 and the first password 267. The second control unit 250 operates in the second communication mode and acquires identification information of the projector 100 connected to the wireless network 10 (step S20).

Next, if the projector 100 is not selected (step S21/NO), the second control unit 250 waits until the projector 100 is selected. When the projector 100 is selected (step S21/YES), the second control unit 250 displays an input screen for the IP address of the selected projector 100 and requests input of the IP address (step S22). The projector 100 selected in step S21 corresponds to the second display device.

The second control unit 250 determines whether an IP address has been input (step S23). If an IP address has not been input (step S23/NO), the second control unit 250 waits until an IP address is input.
Further, when the IP address is input (step S23/YES), the second control unit 250 transmits a connection request to the projector 100 of the input IP address, and wirelessly connects to the selected projector 100 (step S24). ).

5. Operation of Projector FIG. 11 is a flowchart showing the operation of the projector 100.
The operation of the projector 100 will be explained with reference to the flowchart shown in FIG.
The flowchart shown in FIG. 11 describes the operation of the projector 100 whose communication mode is set to the second communication mode.

The first control unit 150 determines whether an image display request has been received (step T1). When the first control unit 150 receives a display request (step T1/YES), it transmits display permission to the sender of the display request. The first control unit 150 then receives the image data transmitted from the source of the display request (step T2). The first control unit 150 generates image light based on the received image data and projects the generated image light (step T3).

Further, if the first control unit 150 has not received a display request (step T1/NO), the first control unit 150 determines whether a communication mode change request has been received (step T4). If the first control unit 150 has not received a communication mode change request (step T4/NO), the process returns to step T1.

When the first control unit 150 receives a communication mode change request (step T4/YES), it determines whether the communication mode can be changed (step T5). The first control unit 150 determines whether the communication mode can be changed, such as when image data is not received from another device (step T5). If the first control unit 150 determines that the communication mode cannot be changed (step T5/NO), it notifies the communication mode change requester that the communication mode cannot be changed (step T6). After that, the first control unit 150 returns to the determination in step T1.

When determining that the communication mode can be changed (step T5/YES), the first control unit 150 changes the communication mode from the second communication mode to the first communication mode (step T7). That is, the projector 100 operates as an access point and accepts access from the IP address corresponding to the set IP address 163. After changing the communication mode, the first control unit 150 transmits a communication mode change notification to the source of the change request (step T8).

Next, the first control unit 150 receives a request for wireless connection to the IP address corresponding to the set IP address 163, and determines whether a wireless connection has been established with the request source (step T9). If the first control unit 150 is not wirelessly connected to the request source (step T9/NO), it waits until wireless connection is established.

When the first control unit 150 is wirelessly connected to the request source (step T9/YES), the first control unit 150 receives image data transmitted from the request source and generates image light based on the received image data. The first control unit 150 projects the generated image light.

Next, the first control unit 150 determines whether the wireless connection with the request source has been disconnected (step T10). If the wireless connection is not disconnected (step T11/NO), the first control unit 150 waits until the wireless connection is disconnected. When the wireless connection is disconnected (step T10/YES), the first control unit 150 changes the communication mode from the first communication mode to the second communication mode (step T11), and returns to the determination in step T1.

6. Effects of Display System Control Method When the first connection mode is set, the information processing device 200 selects the projector 100A from among the plurality of projectors 100 that receives a connection request using the set IP address 263 stored in advance in the second storage unit 260. and 100B are detected.
The information processing device 200 transmits a first connection request, which is a connection request using the set IP address 263, to the projector 100A or 100B.
When the second connection mode is selected, the information processing device 200 detects projectors 100C and 100D connected to the wireless network 10 from among the plurality of projectors 100.
The information processing device 200 receives an input of the IP address in the wireless network 10 of the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10.
The information processing device 200 transmits a second connection request, which is a connection request using the IP address of the wireless network 10, to the second projector 100.

Thereby, by setting the information processing device 200 to the first connection mode, the information processing device 200 can be easily connected to the projector 100A or 100B that accepts a connection request using the preset IP address 263.
Further, by setting the information processing device 200 to the second connection mode, the information processing device 200 cannot be connected to the projector 100C or 100D unless an address in the wireless network 10 is input.
Therefore, it is possible to switch between a simple connection mode to the projector 100 and a connection mode that maintains security, and it is possible to improve user convenience without reducing security.

When the projectors 100A and 100B are set to the first communication mode and receive the first connection request, they permit the first connection request.

Thereby, when the projectors 100A and 100B receive the first connection request, the first connection request can be permitted.

When the projectors 100C and 100D are set to the second communication mode and receive the second connection request, they permit the second connection request.

Thereby, when the projectors 100C and 100D receive the second connection request, the second connection request can be permitted.

When the information processing device 200 receives the preset authentication information, the information processing device 200 transmits the first information to the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10 and set to the second communication mode. Request a change to communication mode.
When the selected projector 100C or 100D is requested to change to the first communication mode, the selected projector 100C or 100D changes the communication mode from the second communication mode to the first communication mode.

Thereby, by inputting preset authentication information, the communication mode of the projectors 100C and 100D in the second communication mode can be changed from the second communication mode to the first communication mode, and the projectors 100C and 100D can be changed from the second communication mode to the first communication mode. It can be easily connected to the information processing device 200.

When the first connection mode is set, the information processing device 200 displays a first application screen 501 that displays identification information of the projector 100A or 100B.
When the information processing device 200 is requested to display the identification information of the projector 100 connected to the wireless network 10, the information processing device 200 causes the second application screen 520 to display the identification information of the projector 100 connected to the wireless network 10. .
The information processing device 200 receives preset authentication information when the projector 100C or 100D is selected on the second application screen 520.
When the information processing device 200 receives preset authentication information, it requests the projector 100C or 100D to change to the first communication mode.

Thereby, when the projector 100 to be connected is not included in the first application screen 501, the second application screen 520 displaying the identification information of the projector 100 connected to the wireless network 10 can be displayed.
Furthermore, by inputting preset authentication information, the communication mode of the projectors 100C and 100D in the second communication mode can be changed from the second communication mode to the first communication mode, and the projectors 100C and 100D can be changed from the second communication mode to the first communication mode. It can be easily connected to the processing device 200.

The projectors 100C and 100D in the second communication mode change the communication mode from the second communication mode to the first communication mode for a preset time.

As a result, the communication mode is changed from the second communication mode to the first communication mode during the preset time, so the information processing device 200 is simply connected to the projector 100 only during this set time. be able to.

7. Effects of connection method of information processing device When the first connection mode is set, the information processing device 200 selects one of the plurality of projectors 100 that accepts a connection request using the set IP address 263 stored in advance in the second storage unit 260. 100A and 100B are detected.
The information processing device 200 transmits a first connection request, which is a connection request using the set IP address 263, to the projector 100A or 100B.
When the second connection mode is set, the information processing device 200 detects projectors 100C and 100D connected to the wireless network 10 from among the plurality of projectors 100.
The information processing device 200 receives an input of the IP address in the wireless network 10 of the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10.
The information processing device 200 transmits a second connection request, which is a connection request using the IP address of the wireless network 10, to the second projector 100.

Thereby, by setting the information processing device 200 to the first connection mode, the information processing device 200 can be easily connected to the projector 100A or 100B that accepts a connection request using the preset IP address 263.
Further, by setting the information processing device 200 to the second connection mode, the information processing device 200 cannot be connected to the projector 100C or 100D unless an address in the wireless network 10 is input.
Therefore, it is possible to switch between a simple connection mode to the projector 100 and a connection mode that maintains security, and it is possible to improve user convenience without reducing security.

When the information processing device 200 receives the preset authentication information, the information processing device 200 selects one of the projectors 100C and 100D connected to the wireless network 10 and set to the second communication mode. The selected projector 100C or 100D is requested to change to the first communication mode.

With this, by inputting preset authentication information, the projector 100 in the second communication mode can be changed to the first communication mode, and the projector 100 in the second communication mode and the information processing device 200 can be easily connected. can be connected to.

When the first connection mode is set, the information processing device 200 displays a first application screen 501 that displays identification information of the projectors 100A and 100B.
When the information processing device 200 is requested to display the identification information of the display devices connected to the wireless network 10, the information processing device 200 displays the second application screen 520 displaying the identification information of the projectors 100C and 100D connected to the wireless network 10. Display.
The information processing device 200 receives preset authentication information when the projector 100C or 100D is selected on the second application screen 520.
When the information processing device 200 receives preset authentication information, it requests the selected projector 100C or 100D to change to the first communication mode.

Thereby, when the projector 100 to be connected is not included in the first application screen 501, the second application screen 520 displaying the identification information of the projector 100 connected to the wireless network 10 can be displayed.
Furthermore, by inputting preset authentication information, the communication mode of the projectors 100C and 100D in the second communication mode can be changed from the second communication mode to the first communication mode, and the projectors 100C and 100D can be changed from the second communication mode to the first communication mode. It can be easily connected to the processing device 200.

8. Effects of the Program When the first connection mode is set, the second processor 270 included in the information processing device 200 detects the projectors 100A and 100B that accept connection requests at preset addresses. The second processor 270 requests connection to the detected projector 100A or 100B.
Further, the second processor 270 detects the projectors 100C and 100D connected to the wireless network 10 when the second connection mode is set.
The second processor 270 receives the IP address in the wireless network 10 of the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10.
The second processor 270 requests connection to the selected projector 100C or 100D.

Thereby, by setting the information processing device 200 to the first connection mode, the information processing device 200 can be easily connected to the projector 100 that accepts a connection request at a preset address.
Furthermore, by setting the information processing device 200 to the second connection mode, the information processing device 200 is connected to the projector 100 connected to the wireless network 10 unless the address of the projector 100 connected to the wireless network 10 is input. I can't.
Therefore, it is possible to realize both a simple connection to the projector 100 and a connection that maintains security, thereby improving user convenience.

The embodiments described above are preferred embodiments of the present invention. However, the embodiment is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.
For example, in the description of the embodiment described above, the second password 269 set by the system administrator was stored in the second storage unit 260 of the information processing device 200. The information processing device 200 executed password authentication when changing the communication mode of the projector 100 from the second communication mode to the first communication mode. This second password 269 may be stored in the projector 100, and the information processing device 200 may also transmit the input password when transmitting a communication mode change request to the projector 100. The projector 100 extracts the password from the received change request, determines whether this password matches the second password 269, and performs password authentication. When the password authentication is successful, the projector 100 changes the communication mode from the second communication mode to the first communication mode in accordance with the change request.

Furthermore, in the case of a configuration in which the second password 269 is stored in the projector 100, the second password 269 may be set by the user.
First, the user manually inputs the IP address of the projector 100 and wirelessly connects the information processing device 200 to the projector 100 in the second communication mode. The projector 100 requests the connected information processing apparatus 200 to set a password and ID by manually inputting an IP address. The information processing device 200 transmits the password and ID set by the user to the projector 100. The projector 100 stores the received password and ID in the first storage unit 160. At this time, the projector 100 stores the password received from the information processing device 200 as the second password 269.

Further, each functional unit of the projector 100 and the information processing device 200 shown in FIG. 1 shows a functional configuration, and the specific implementation form is not particularly limited. In other words, it is not necessarily necessary to implement hardware corresponding to each functional unit individually, and it is of course possible to have a configuration in which one processor executes a program to realize the functions of a plurality of functional units. Moreover, some of the functions realized by software in the above embodiments may be realized by hardware, and some of the functions realized by hardware may be realized by software. In addition, the specific detailed structure of each part of the projector can be changed arbitrarily without departing from the spirit of the present invention.

In addition, when the display system control method, information processing device connection method, and program are realized by a computer included in the information processing device 200 or a computer included in the projector 100, the program to be executed by this computer may be stored on a recording medium or this program. It is also possible to configure it in the form of a transmission medium that transmits. A magnetic or optical recording medium or a semiconductor memory device can be used as the recording medium. Specifically, portable or fixed recording media such as flexible disks, HDDs (Hard Disk Drives), CD-ROMs, DVDs, Blu-ray Discs, magneto-optical disks, flash memories, and card-type recording media are mentioned. It will be done. Further, the recording medium may be a nonvolatile storage device such as a RAM, ROM, or HDD, which is an internal storage device included in the server device. Blu-ray is a registered trademark.

DESCRIPTION OF SYMBOLS 1... Display system, 5... Remote control, 10... Wireless network, 100... Projector, 100A, 100B, 100C, 100D... Projector, 110... Remote control light receiving part, 120... First wireless I/F, 125... Network card, 130... Image processing section, 135... Frame memory, 140... Image projection section, 141... Light source, 143... Light modulation device, 145... Optical unit, 150... First control section, 160, 160A, 160B, 160C, 160D... First memory Part, 161... Control program, 170... First processor, 200... Information processing device, 210... Second wireless I/F, 215... Network card, 230... Touch panel, 233... Touch sensor, 250... Second control unit, 260 ...Second storage unit, 261...Control program, 267...First password, 269...Second password, 270...Second processor, 300...Wireless router, 500...App screen, 501...First application screen, 505...Selection field , 507...OK button, 509...Back button, 510...Confirmation screen, 511...Guidance display, 520...Second application screen, 523...OK button, 525...Back button, 530...Request screen, 531...Input field, 535... back button.

The present disclosure provides a connection method for an information processing device, which includes, when a first connection mode is set, detecting a first display device that accepts a connection request at a preset address; transmitting a first connection request using the preset address; detecting a display device connected to a network if a second connection mode is set ; and detecting a display device connected to the network ; receiving an input of an address in the network of a selected second display device among the devices; and transmitting a second connection request using the address in the network to the second display device; This is a method for connecting information processing devices.

FIG. 5 is a diagram showing an example of an application screen 500 displayed on the touch panel 230.
FIG. 5 is a diagram showing a confirmation screen 510 that is displayed when one of the projectors 100 whose identification information is displayed in the display field 503 is selected and the OK button 507 is pressed. A confirmation screen 510 is also included in the application screen 500.
When the projector 100A or 100B whose identification information is displayed in the display field 503 is selected by touch operation, the second control unit 250 transmits a connection request to the selected projector 100A or 100B, and sends a connection request to the selected projector 100A or 100B. Connect wirelessly to 100B. Information processing device 200 is directly connected to projector 100A or 100B, which operates as an access point. A guide display 511 is displayed on the confirmation screen 510 to notify that the projector 100A or 100B has been connected. This guide display 511 includes identification information of the wirelessly connected projector 100A or 100B.

When the first connection mode is selected, the second control unit 250 transmits an identification information acquisition request to the projector 100 at the IP address corresponding to the set IP address 263 (step S4). Next, the second control unit 250 determines whether identification information has been received from the projector 100 (step S5).

Next, the first control unit 150 determines whether the wireless connection with the request source has been disconnected (step T10). If the wireless connection is not disconnected (step T1 0 /NO), the first control unit 150 waits until the wireless connection is disconnected. When the wireless connection is disconnected (step T10/YES), the first control unit 150 changes the communication mode from the first communication mode to the second communication mode (step T11), and returns to the determination in step T1.

6. Effects of Display System Control Method When the first connection mode is set, the information processing device 200 selects the projector 100A from among the plurality of projectors 100 that receives a connection request using the set IP address 263 stored in advance in the second storage unit 260. and 100B are detected.
The information processing device 200 transmits a first connection request, which is a connection request using the set IP address 263, to the projector 100A or 100B.
When the second connection mode is selected, the information processing device 200 detects projectors 100C and 100D connected to the wireless network 10 from among the plurality of projectors 100.
The information processing device 200 receives an input of the IP address in the wireless network 10 of the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10.
The information processing device 200 transmits a second connection request, which is a connection request using the IP address of the wireless network 10 , to the selected projector 100C or 100D .

Thereby, by setting the information processing device 200 to the first connection mode, the information processing device 200 can be easily connected to the projector 100A or 100B that accepts a connection request using the preset IP address 263.
Further, by setting the information processing device 200 to the second connection mode, the information processing device 200 cannot be connected to the projector 100C or 100D unless an address in the wireless network 10 is input.
Therefore, since it is possible to switch between a simple connection mode to the projector 100 and a connection mode that maintains security, it is possible to improve user convenience without reducing security.

7. Effects of connection method of information processing device When the first connection mode is set, the information processing device 200 selects one of the plurality of projectors 100 that accepts a connection request using the set IP address 263 stored in advance in the second storage unit 260. 100A and 100B are detected.
The information processing device 200 transmits a first connection request, which is a connection request using the set IP address 263, to the projector 100A or 100B.
When the second connection mode is set, the information processing device 200 detects projectors 100C and 100D connected to the wireless network 10 from among the plurality of projectors 100.
The information processing device 200 receives an input of the IP address in the wireless network 10 of the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10.
The information processing device 200 transmits a second connection request, which is a connection request using the IP address of the wireless network 10 , to the selected projector 100C or 100D .

Thereby, by setting the information processing device 200 to the first connection mode, the information processing device 200 can be easily connected to the projector 100A or 100B that accepts a connection request using the preset IP address 263.
Further, by setting the information processing device 200 to the second connection mode, the information processing device 200 cannot be connected to the projector 100C or 100D unless an address in the wireless network 10 is input.
Therefore, since it is possible to switch between a simple connection mode to the projector 100 and a connection mode that maintains security, it is possible to improve user convenience without reducing security.

When the information processing device 200 receives the preset authentication information, the information processing device 200 transmits the information to the selected projector 100C or 100D among the projectors 100C and 100D connected to the wireless network 10 and set to the second communication mode. 1 Request a change to communication mode.

In addition, when the display system control method, information processing device connection method, and program are realized by a computer included in the information processing device 200 or a computer included in the projector 100, a recording medium recording a program to be executed by this computer, or It is also possible to configure it in the form of a transmission medium that transmits this program. A magnetic or optical recording medium or a semiconductor memory device can be used as the recording medium. Specifically, portable or fixed recording media such as flexible disks, HDDs (Hard Disk Drives), CD-ROMs, DVDs, Blu-ray Discs, magneto-optical disks, flash memories, and card-type recording media are mentioned. It will be done. Further, the recording medium may be a nonvolatile storage device such as a RAM, ROM, or HDD, which is an internal storage device included in the server device. Blu-ray is a registered trademark.

Claims (10)

A method for controlling a display system, the method comprising:
The information processing device is
If the first connection mode is set,
Detecting a first display device that accepts a connection request at a preset address from among the plurality of display devices;
transmitting a first connection request using the preset address to the first display device;
If the second connection mode is set,
Detecting a display device connected to a network from among the plurality of display devices;
receiving an input of an address in the network of a selected second display device among the display devices connected to the network;
transmitting a second connection request using an address in the network to the second display device;
How to control a display system that performs. When the first display device is set to a first communication mode and receives the first connection request, allowing the first connection request;
2. A method for controlling a display system according to claim 1. When the second display device is set to a second communication mode and receives the second connection request, the second display device allows the second connection request;
3. The method for controlling a display system according to claim 2, further comprising: performing the following steps. The information processing device includes:
When the preset authentication information is received, a selected third display device among the display devices connected to the network and set to the second communication mode is requested to change to the first communication mode. And,
The third display device is
When a change to the first communication mode is requested, changing the communication mode from the second communication mode to the first communication mode;
4. A method for controlling a display system according to claim 2, further comprising: performing the following steps. The information processing device includes:
Displaying a first screen displaying identification information of the first display device when the first connection mode is set;
Displaying a second screen displaying the identification information of the display device connected to the network when displaying the identification information of the display device connected to the network is requested;
accepting the preset authentication information when the third display device is selected on the second screen;
requesting the third display device to change to the first communication mode when the preset authentication information is received;
5. The method of controlling a display system according to claim 4, further comprising: performing the following steps. The display device set to the second communication mode,
changing the communication mode from the second communication mode to the first communication mode for a preset time;
6. The method for controlling a display system according to claim 3, further comprising: performing the following: A method for connecting an information processing device, the method comprising:
If the first connection mode is set,
detecting a first display device that accepts a connection request at a preset address;
transmitting a first connection request using the preset address to the first display device;
If the second connection mode is set,
discovering display devices connected to the network;
receiving an input of an address in the network of a selected second display device among the display devices connected to the network;
transmitting a second connection request using an address in the network to the second display device;
A method for connecting information processing equipment to perform The information processing device includes:
When the preset authentication information is received, a third display device among the display devices connected to the network that is set to a communication mode that accepts the second connection request is configured to accept the first connection request. 8. The method for connecting an information processing device according to claim 7, wherein the method requests the connection of an information processing device. The information processing device includes:
Displaying a first screen displaying identification information of the first display device when the first connection mode is set;
Displaying a second screen displaying the identification information of the display device connected to the network when displaying the identification information of the display device connected to the network is requested;
accepting the preset authentication information when the third display device is selected on the second screen;
requesting the third display device to accept a connection request at the preset address when the preset authentication information is accepted;
9. The method for connecting an information processing device according to claim 8. In the processor included in the information processing device,
If the first connection mode is set,
detecting a first display device that accepts a connection request at a preset address;
requesting connection to the first display device;
If the second connection mode is set,
discovering display devices connected to the network;
receiving an input of an address in the network of a selected second display device among the display devices connected to the network;
requesting connection to the second display device;
A program to run.

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